1 files changed, 91 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
new file mode 100644
index 000000000000..92752c0c5eb5
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2024 NXP
+ *	Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+
+cm40_ipg_clk: clock-cm40-ipg {
+	compatible = "fixed-clock";
+	#clock-cells = <0>;
+	clock-frequency = <132000000>;
+	clock-output-names = "cm40_ipg_clk";
+};
+
+cm40_subsys: bus@34000000 {
+	compatible = "simple-bus";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0x34000000 0x0 0x34000000 0x4000000>;
+	interrupt-parent = <&cm40_intmux>;
+
+	cm40_lpuart: serial@37220000 {
+		compatible = "fsl,imx8qxp-lpuart";
+		reg = <0x37220000 0x1000>;
+		interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cm40_uart_lpcg IMX_LPCG_CLK_1>, <&cm40_uart_lpcg IMX_LPCG_CLK_0>;
+		clock-names = "ipg", "baud";
+		assigned-clocks = <&clk IMX_SC_R_M4_0_UART IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <24000000>;
+		power-domains = <&pd IMX_SC_R_M4_0_UART>;
+		status = "disabled";
+	};
+
+	cm40_i2c: i2c@37230000 {
+		compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
+		reg = <0x37230000 0x1000>;
+		interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cm40_i2c_lpcg IMX_LPCG_CLK_0>,
+			 <&cm40_i2c_lpcg IMX_LPCG_CLK_4>;
+		clock-names = "per", "ipg";
+		assigned-clocks = <&clk IMX_SC_R_M4_0_I2C IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <24000000>;
+		power-domains = <&pd IMX_SC_R_M4_0_I2C>;
+		status = "disabled";
+	};
+
+	cm40_intmux: intmux@37400000 {
+		compatible = "fsl,imx-intmux";
+		reg = <0x37400000 0x1000>;
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		clocks = <&cm40_ipg_clk>;
+		clock-names = "ipg";
+		power-domains = <&pd IMX_SC_R_M4_0_INTMUX>;
+		status = "disabled";
+	};
+
+	cm40_uart_lpcg: clock-controller@37620000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x37620000 0x1000>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_M4_0_UART IMX_SC_PM_CLK_PER>,
+			 <&cm40_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_1>;
+		clock-output-names = "cm40_lpcg_uart_clk",
+				     "cm40_lpcg_uart_ipg_clk";
+		power-domains = <&pd IMX_SC_R_M4_0_UART>;
+	};
+
+	cm40_i2c_lpcg: clock-controller@37630000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x37630000 0x1000>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_M4_0_I2C IMX_SC_PM_CLK_PER>,
+			 <&cm40_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "cm40_lpcg_i2c_clk",
+				     "cm40_lpcg_i2c_ipg_clk";
+		power-domains = <&pd IMX_SC_R_M4_0_I2C>;
+	};
+};